Dry hair and split ends may be caused by the lack of vitamins and trace elements in the patient’s body, or it may be caused by sunlight exposure, improper combing and washing. Patients with dry and split hair may be due to the lack of amino acids, vitamins, and trace elements such as copper, iron, zinc, etc. Patients can take vitamin drugs under the guidance of the doctor, such as vitamin A, vitamin B and so on. Can also be appropriate to eat more sesame seeds, walnuts, kelp, dates and other foods. In addition, patients in the long-term sun exposure environment, combing, washing and care improper may also cause dry hair, split ends. Patients can use some PH value acidic or neutral shampoo, conditioner and other care products to take care of the hair, to maintain the moisture of the hair and improve the condition of dry hair and split ends. There may be other reasons for dry hair and split ends. For serious cases, it is recommended to go to the hospital in time and choose the appropriate treatment method under the guidance of the doctor.